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ONU History and Archives

Welcome to the Ohio Northern University Archives


  • Northern - ONU Yearbooks and Ohio Northern Alumnus Magazine.  This summer we are in the process of moving to new archival software and yearbooks and the alumnus magazines will be available online again in the fall.  In the interim, please contact the Archives at 419-772-1994 if you need to access the yearbooks or alumnus magazine.  


Heterick Memorial Library
Heterick Memorial Library
525 South Main Street
Ada, Ohio 45810
Monday: 7:30 a.m.-Midnight
Tuesday: 7:30 a.m.-Midnight
Wednesday: 7:30 a.m.-Midnight
Thursday: 7:30 a.m.-Midnight
Friday: 7:30 a.m.-8 p.m.
Saturday: 10 a.m.-6 p.m.
Sunday: 12 p.m.-Midnight